11 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... Tests - Prolonged ... #Coagulation #Abnormal ... Hematology #Diagnosis #Workup
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function Tests ... Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... Direct antiglobulin test ... , PT/aPTT MAHA ... hemosiderin • PT/aPTT ... normal • DAT
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
means upper motor neuron ... The Hoffmann's reflex ... test itself involves ... Hoffmanns #Sign #Reflex ... #Positive #Abnormal
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Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
Vascular imaging → Test ... - No other workup ... screening, CBC, aPTT ... Hypercoagulable #Workup ... hematology #diagnosis #algorithm
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... Refer to your ‘Fever ... Returning Traveler’ algorithm ... Test for the respective ... UnknownOrigin #workup
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... may actually be normal ... Consider additional tests ... Hyponatremia #Diagnosis #Workup ... #Evaluation #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... • Low TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Thrombocytopenia - Abnormal ... deficiency - Abnormal ... deficiency Work ... Fecal occult blood test
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... performed PT, PTT ... levels - Usually normal ... indirect antiglobulin tests ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup